Fatherhood Expert: 'Men with High Testosterone Make Worse Dads' | Anna Machin

Nov 28, 2025

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Can AI ever truly replace love?

In this eye-opening episode of Desirable, we explore with Dr. Anna Machin how artificial intelligence is reshaping relationships and why it can never replicate the chemistry of human connection.

From AI “romances” to the neuroscience of love, fatherhood, and dating in the modern world, this conversation dives into what makes us human in the age of machines.

We cover:
✅ Why one in four young women and one in three young men have had a romantic AI experience
✅ The hidden dangers of AI “companionship"": increased isolation, depression, and distorted expectations
✅ Why only human love triggers oxytocin, dopamine, and the brain chemistry that keeps us healthy and alive
✅ How modern dating apps skew toward shallow connections and one app trying to flip the script
✅ The science of fatherhood: how men’s hormones and brains change when they become dads
✅ Why the first 1000 days of life are critical for love and secure attachment
✅ The biology of cheating detection, smell, and genetic compatibility
✅ Why friendship, family, and community are as vital as romantic love

This is a deep dive into the future of relationships and a reminder that no algorithm can replace the heartbeat of human love.

00:00 Understanding Testosterone and Empathy
00:24 The Dangers of AI in Human Relationships
03:08 The Impact of AI on Mental Health
04:31 The Unrealistic Expectations Set by AI
07:54 The Role of AI in Child Development
09:37 The Future of Love and AI
16:28 The Challenges of Modern Dating
26:03 The Science Behind Attraction
32:54 Understanding Love and Its Complexities
34:07 The Fairy Tale of Love vs. Reality
35:13 Stages of Love: Attraction to Companionate
36:37 Impact of Childhood on Love and Relationships
40:58 The Importance of the First 1000 Days
47:31 The Mystery Item Experiment
47:58 The Science of Attraction and Symmetry
53:22 Monogamy vs. Polyamory: Biological and Social Perspectives
58:19 Challenges in Modern Dating and Relationships
01:05:36 Polyamory and Parenting Dynamics
01:06:23 Diverse Family Structures
01:09:15 Challenges of Adoption
01:15:24 Understanding Fatherhood
01:19:33 The Importance of Fathers
01:32:28 Supporting Fatherhood and Single Moms

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